Physics Objective Questions and Answers: Motion In A Straight Line
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Question: A frictionless wire AB is fixed on a sphere of radius R. A very small spherical ball slips on this wire. The time taken by this ball to slip from A to B is
- a)
- b)
- c)
- d)
Answer:
Question: A 2 m wide truck is moving with a uniform speed v0 = 8 m/s along a straight horizontal road. A pedestrain starts to cross the road with a uniform speed v when the truck is 4 m away from him. The minimum value of v so that he can cross the road safely is 
- a) 2.62 m/s
- b) 4.6 m/s
- c) 3.57 m/s
- d) 1.414 m/s
Answer: 3.57 m/s
Question: A body is thrown vertically upwards from A, the top of the tower, reaches the ground in time t1. If it is thrown vertically downwards from A with the same speed, it reaches the ground in time t2. If it is allowed to fall freely from A, then the time it takes to reach the ground is given by
- a)
- b)
- c)
- d)
Answer:
Question: A ball is released from the top of height h metre. It takes T second to reach the ground. Where is the ball at the time T/2 sec :
- a) At (h/4) m from the ground
- b) At (h/2) m from the ground
- c) At (3h/4) m from the ground
- d) Depends upon the mass and volume of the ball
Answer: At (3h/4) m from the ground
Question: A particle is moving in a straight line with initial velocity and uniform acceleration a. If the sum of the distance travelled in tth and (t + 1)th seconds is 100 cm, then its velocity after t seconds, in cm/s, is
- a) 80
- b) 50
- c) 20
- d) 30
Answer: 50
Question: The position x of a particle varies with time (t) as x = A t2 – B t3. The acceleration at time t of the particle will be equal to zero. What is the value of t?
- a)
- b)
- c)
- d) zero
Answer:
Question: The velocity acquired by a body moving with uniform acceleration is 30 ms-1 in 2 seconds and 60 ms-1 in four seconds .The initial velocity is
- a) 4 ms–1
- b) 0 ms–1
- c) 2 ms–1
- d) 10 ms–1
Answer: 0 ms–1
Question: A balloon starts rising from the ground with an acceleration of 1.25 ms–2. After 8 s, a stone is released from the balloon. The stone will (Taking g = 10 m s–2)
- a) Begin to move down after being released
- b) Reach the ground in 4 s
- c) Cover a distance of 40 m in reaching the ground
- d) Will have a displacement of 50 m
Answer: Reach the ground in 4 s
Question: A bus starts moving with acceleration 2 m/s2. A cyclist 96 m behind the bus starts simultaneously towards the bus at 20 m/s. After what time will he be able to overtake the bus?
- a) 4 sec
- b) 8 sec
- c) 12 sec
- d) 16 sec
Answer: 8 sec
Question: A body, thrown upwards with some velocity reaches the maximum height of 50m. Another body with double the mass thrown up with double the initial velocity will reach a maximum height of
- a) 100 m
- b) 200 m
- c) 300 m
- d) 400 m
Answer: 200 m
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FAQs
You can get most exhaustive BITSAT Physics Motion In A Straight Line MCQs for free on StudiesToday.com. These MCQs for BITSAT Physics are updated for the 2026-27 academic session as per BITSAT examination standards.
Yes, our BITSAT Physics Motion In A Straight Line MCQs include the latest type of questions, such as Assertion-Reasoning and Case-based MCQs. 50% of the BITSAT paper is now competency-based.
By solving our BITSAT Physics Motion In A Straight Line MCQs, BITSAT students can improve their accuracy and speed which is important as objective questions provide a chance to secure 100% marks in the Physics.
Yes, Physics MCQs for BITSAT have answer key and brief explanations to help students understand logic behind the correct option as its important for 2026 competency-focused BITSAT exams.
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