Free Force and Motion MCQs with Answers
1,416 Force and Motion MCQs from Physics, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
Displacement, velocity and acceleration describe motion, including the horizontal and vertical components of projectile motion. The chapter connects these quantities with Newton's laws, momentum and impulse, then applies conservation of momentum to collisions, distinguishing elastic collisions from inelastic ones.
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1,416 questions · page 54 of 71
- A. Continue to remain vertical
- B. Burst while taking the curve
- C. Be thrown to the right side
- D. Be thrown to the left side
Explanation: During a left turn, the balloon filled with helium and tethered to the floor of the car will be thrown to the left side due to the moment…
Correct answer: Be thrown to the left side- A. Rocket
- B. Bullet
- C. Airship
- D. Projectile
Explanation: The correct answer is 'Projectile.' An object launched in space with no driving power and moving in an arbitrary direction is considered a…
Correct answer: Projectile- A. Vi cos θ
- B. Vi cos θ - gt
- C. Vi sin θ - gt
- D. Vi tan θ - gt
Explanation: When an object is thrown in the air with an initial velocity Vi at an angle θ, it can be broken down into horizontal (Vi cos θ) and…
Correct answer: Vi sin θ - gt- A. Option A: v = Vx + Vy
- B. Option B: v = gt
- C. Option C: v = (Vx^2 + Vy^2)^0.5
- D. Option D: v = gt + Vx
Explanation: The correct answer is Option B: v = gt. In projectile motion, the vertical component of velocity is influenced by gravity (g) over time…
Correct answer: Option B: v = gt- A. Option A
- B. Option B
- C. Option C
- D. Option D
Explanation: The angle θ that the projectile makes with the horizontal at any time t during its flight is not constant.
Correct answer: Option D- A. Increases with time
- B. Decreases with time
- C. Is uniform
- D. Is taken negative
Explanation: Horizontal velocity of projectile constant:There is only one force acting on the projectile in the vertical direction due to gravity.Since…
Correct answer: Is uniform- A. Decreases during upward motion and increases during downward motion
- B. Increases during upward motion and decreases during downward motion
- C. Increases during both upward and downward motions
- D. Decreases during both upward and downward motions
Explanation: The vertical component of velocity of a projectile decreases during upward motion because it is going against the gravitational pull…
Correct answer: Decreases during upward motion and increases during downward motion- A. Is less than the gravitational acceleration
- B. Is equal to the gravitational acceleration
- C. Is more than the gravitational acceleration
- D. Has no relation with the gravitational acceleration
Explanation: The vertical component of acceleration of a projectile is solely determined by gravity, providing a constant acceleration of approximately…
Correct answer: Is equal to the gravitational acceleration- A. Hyperbola
- B. Parabola
- C. Straight line
- D. Circle
Explanation: When a particle is thrown obliquely near the earth's surface, it moves along a curved path under constant acceleration.
Correct answer: Parabola- A. y = ax2 - bx
- B. y = ax + bx2
- C. y = ax - bx2
- D. y = bx - ax2
Explanation: The correct relation between the x and y-components in motion in two dimensions is given by the formula y = ax - bx2.
Correct answer: y = ax - bx2- A. Option A
- B. Option B
- C. Option C
- D. Option D
Explanation: When a projectile is launched vertically, the time taken to reach the maximum height is crucial in understanding its motion.
Correct answer: Option B- A. Option A
- B. Option B
- C. Option C
- D. Option D
Explanation: The correct answer is Option C. When analyzing motion in two dimensions, the maximum height reached by a projectile can be determined by…
Correct answer: Option C- A. Option A
- B. Option B
- C. Option C
- D. Option D
Explanation: Explanation: When dealing with motion in two dimensions, the horizontal range is a crucial aspect to calculate.
Correct answer: Option D- A. 90°
- B. 60°
- C. 45°
- D. 30°
Explanation: When a projectile is thrown at a 45° angle, it achieves the maximum range possible for a given initial velocity.
Correct answer: 45°- A. Option A
- B. Option B
- C. Option C
- D. Option D
Explanation: Explanation:The correct formula for the maximum range of a projectile is Range max = v^2/g.
Correct answer: Option C- A. 90° or 0°
- B. 30° or 60°
- C. 40° or 50°
- D. 45°
Explanation: When a projectile is thrown at 90°, it results in a horizontal range of 0, which is the minimum value it can achieve.
Correct answer: 90° or 0°- A. Option A
- B. Option B
- C. Option C
- D. Option D
Explanation: Explanation: The total time taken by a projectile from starting at the surface of the earth to landing again on it includes both the time…
Correct answer: Option B- A. Option A: The x-component of position vector
- B. Option B: A vector with components for both x and y directions
- C. Option C: The velocity vector of the projectile
- D. Option D: The acceleration vector of the projectile
Explanation: When considering motion in two dimensions, the position vector of a projectile is described by a vector with components for both…
Correct answer: Option B: A vector with components for both x and y directions- A. One dimension
- B. Two dimensions
- C. Three dimensions
- D. No dimension
Explanation: Uniform In a circular motion, an object moves in two dimensions with a constant speed in a fixed circular direction; however, because the…
Correct answer: Two dimensions- A. The centre
- B. The tangent
- C. Between the tangent and the normal
- D. None of the above
Explanation: Centripetal acceleration (ac) in circular motion always points towards the center of rotation.
Correct answer: The centre